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evapoRe (version 1.0.1)

priestley_taylor: Calculate Potential Evapotranspiration (PET) using Priestley-Taylor Method

Description

The function priestley_taylor computes PET by Priestley-Taylor method.

Usage

priestley_taylor(tavg, rn, elevation = NULL, pres = NULL, x = NULL)

# S4 method for missing,missing,missing,missing priestley_taylor(x)

# S4 method for Raster,Raster,ANY,ANY priestley_taylor(tavg, rn, elevation = NULL, pres = NULL, x = NULL)

# S4 method for character,character,ANY,ANY priestley_taylor(tavg, rn, elevation = NULL, pres = NULL, x = NULL)

Value

RasterBrick or data.table of PET values (mm/day)

Arguments

tavg

Raster* object or file path; average temperature (°C)

rn

Raster* object or file path; net radiation (MJ m-2 day-1)

elevation

Raster* object or file path; elevation (m). Optional if `pres` is provided.

pres

Optional. Raster* object or file path; atmospheric pressure (kPa)

x

A `data.table` with columns: "lon", "lat", "date", "tavg", "rn", and either "elevation" or "pres".

Details

For Raster inputs, provide raster objects or file paths for `tavg`, `rn`, and either `elevation` or `pres`. For `data.table` input, provide a single `data.table` with columns: "lon", "lat", "date", "tavg", "rn", and either "elevation" or "pres".